1998 UM26

1998UM26, 1991 RB17, 1991RB17, 27097, J91R17B, J98U26M

All data for this body: [vot]

MPC data
Name (number) 1998 UM26 (27097)
a 2.25482
e 0.16938
i / sin(i) 4.9305 / 0.08595
q 1.87290
Q 2.63675
ω 169.9475
Node 126.4885
m 22.0130
n 0.2911
Epoch 2460800.5
nobs 3457
nopp 21
Years observed 1991-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.255
ep 0.134
sin(ip) 0.077
G 0.150
H 14.750
Mass
D 3.24 0.629
pV 0.321 0.1129
Value
Rotational Period 6.650
Period quality 2+
Spectral Class V
Spectral Class Score 5.960
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.3600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2550 0.1340 0.0772 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.24 0.629 0.629 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.321 0.1129 0.1129 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.75 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
20.0 1 Synodic Polishook 2012MNRAS.421.2094P Lightcurve
23.9495 2 Synodic Pal 2020ApJS..247...26P Lightcurve
6.651 2+ Synodic Warner 2017MPBu...44..289W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
V V 0.9933 0.9933 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT